| RefNo | HS/22/303 |
| Level | Item |
| Title | Copy of a letter, from John Frederick William Herschel to Edward Sabine, dated at Collingwood |
| Creator | John Frederick William Herschel |
| Recipient | Edward Sabine |
| Date | 20 February 1847 |
| Description | Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Has discovered a flaw in the theory of actinometer observations. Realizes that John Frederick William Herschel's actinometer observations at the Cape may be useless and that observations made at Government and East India observatories should be suspended. |
| Language | English |
| Extent | 4pp |
| Format | Manuscript |
| Place origin | Collingwood, Hawkhurst, Kent |
| Origin coordinates | 51.035306, 0.513556 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Original: HS/15/203; Copies: HS/25/7/4; MM/11/188 |
| RelatedRecord | HS/15/203 |
| HS/25/7/4 |
| MM/11/188 |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel2332
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |